Haley Mast is a freelance writer, fact-checker, and small organic farmer in the Columbia River Gorge. She enjoys gardening, reporting on environmental topics, and spending her time outside ...

The time when trees change color and then drop their leaves is a signpost of the year, a mark of the familiar cycle of the seasons. Early to mid-October is typically the height of the color in ...

A maple tree in Kauffman Legacy Park has shed most of its chlorophyll while other trees in the park haven't yet turned color. Harsh drought conditions in Missouri and Kansas have robbed trees of much ...

A new family tree of the plant genus Solanum helps explain the striking diversity of their fruit color and size. This genus includes tomatoes, potatoes, eggplants, and other economically important ...